diff --git a/docs/specification.rst b/docs/specification.rst
index b6cb07058..dfaf46017 100644
--- a/docs/specification.rst
+++ b/docs/specification.rst
@@ -2203,7 +2203,7 @@ destination home server names, and the actual nested content.
   
   
 Protocol URLs
-=============
+-------------
 .. WARNING::
   This section may be misleading or inaccurate.